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Finding the Fourth Proportional to 924,876.42, 1,386,369 and 524,671.80

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Solution

The fourth proportional to 924,876.42, 1,386,369 and 524,671.80 is: 786,471.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,876.42 : 1,386,369 = 524,671.80 : x
  2. Step 2: Convert to fraction form
    924,876.42/1,386,369 = 524,671.80/x
  3. Step 3: Cross multiply
    924,876.42x = 1,386,369 × 524,671.80
  4. Step 4: Simplify right side
    924,876.42x = 727,388,718,694.20
  5. Step 5: Solve for x
    x = 727,388,718,694.20/924,876.42
  6. Step 6: Final answer
    x = 786,471.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.